Toys in the Attic (1963)

Julian Berniers returns from Illinois with his young bride Lily Prine to the family in New Orleans. His spinster sisters Carrie and Anna welcome the couple, who arrive with expensive gifts. The sisters hope Julian will help with their expenses, and he tells them that while his profitable factory went out of business, he did manage to save money.
It turns out that Julian pulled off a real estate scam and took off with the money. Carrie is obsessed with her brother. Her jealousy of Lily pushes her to discover the shady land deal for herself and she does everything she can to wreck their marriage.